
public class score {public static void main(String[] args){
    int score=88;
    char level;
    if(score >= 90){
        level='A';
    }
    else if(score >= 80&&score<90){
        level='B';
    }
    else if(score >=70&&score<80){
        level='C';
    }
    else if(score>=60&&score<70){
        level='D';
    }
    else level='E';

System.out.printf("得分等级：%c%n", level);
}
}

